We were saddened to hear of the death of your mother.
A. mad
B. worried
C. surprised
D. sad
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There is a great selection of books on that topic.
A. difference
B. choice
C. need
D. lack
Many children complained that readable books were rare those days.
A. cheap
B. interesting
C. easy
D. serious
I’m sorry, I thought those letters had already been sent. It seems that I was misinformed.
A. not informed
B. incompletely ordered
C. given little information
D. wrongly told
It proved to be a fruitful meeting.
A. productive
B. lively
C. popular
D. crowded